Silverback Gorilla Zoo Animal Boys/Kids/Unisex T-Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Commemorate your visit to any zoo, or your favorite mammal primate with this Silverback Gorilla T-Shirt. An endangered species mammal, the male gorilla is strong and beautiful. Lightweight, Classic fit, Double-needle sleeve and bottom hem